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Registros recuperados: 6
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Cytokines in innate and acquired immunity to Trypanosoma cruzi infection BJMBR
Abrahamsohn,I.A..
Resistance to Trypanosoma cruzi infections is critically dependent on cytokine-mediated activation of cell-mediated immune effector mechanisms. This review focuses on the role of IL-10, TNF-<FONT FACE="Symbol">a</font>, IFN-<FONT FACE="Symbol">g</font> and IL-12 in controlling T. cruzi replication by the innate and specific immune systems of the vertebrate host. A study performed on mice with disrupted recombinase-activating genes (RAG/KO), which lack T and B lymphocytes, revealed the importance of IL-12, IFN-<FONT FACE="Symbol">g</font> and TNF-<FONT FACE="Symbol">a</font> in the resistance against T. cruzi mediated by the innate immune system. In addition, data from experiments using IL-10 KO, RAG/KO and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Trypanosoma cruzi; Interferon-gamma; Interleukin-12; TNF-alpha; Interleukin-10; Innate immunity; Knock-out mice.
Ano: 1998 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1998000100015
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Effect of metabolic control on interferon-gamma and interleukin-10 production by peripheral blood mononuclear cells from type 1 and type 2 diabetic patients BJMBR
Foss-Freitas,M.C.; Foss,N.T.; Donadi,E.A.; Foss,M.C..
The objective of the present study was to evaluate the production of cytokines, interferon-g (INF-g) and interleukin-10 (IL-10), in cultures of peripheral blood mononuclear cells (PBMC) from type 1 and type 2 diabetic patients and to correlate it with inadequate and adequate metabolic control. We studied 11 type 1 and 13 type 2 diabetic patients and 21 healthy individuals divided into two groups (N = 11 and 10) paired by sex and age with type 1 and type 2 diabetic patients. The PBMC cultures were stimulated with concanavalin-A to measure INF-g and IL-10 supernatant concentration by ELISA. For patients with inadequate metabolic control, the cultures were performed on the first day of hospitalization and again after intensive treatment to achieve adequate...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Type 1 diabetes mellitus; Type 2 diabetes mellitus; Cytokines; Interferon-gamma; Interleukin-10; Metabolic control.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2007000500010
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Expression analysis of three immune genes Interferon-gamma, Mx and Interferon regulatory factor-1 of Japanese flounder ( Paralichthys olivaceus ) BABT
Zhang,Feng; Qiu,Xuemei; Liu,Yang; Wang,Juan; Li,Xipeng; Wang,Xiuli.
ABSTRACT IFN-γ (Interferon-gamma), Mx and IRF-1 (Interferon regulatory factor-1) are main immune-related genes and they play important roles in the innate immune system of vertebrates. In this study, the expression level of the three immune-related genes in twelve tissues of normal adult Japanese flounder was detected using semi-quantitative RT-PCR. Thirteen time points (3h, 6h, 9h, 12h, 24h, 36h, 48h, 60h, 72h, 84h, 96h, 108h, 120h) were selected to analyze the expression of IFN-γ, Mx and IRF-1 in spleen, head kidney, liver of Japanese flounder infected with Lipopolysaccharide (LPS). The Japanese flounder IFN-γ, Mx and IRF-1 genes were differently expressed in these tissues and had high expression levels in classical fish immune organs like spleen and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Interferon-gamma; Mx; Interferon regulatory factor-1; Paralichthys olivaceus; Tissue expression.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132017000100300
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Expression of CD40 ligand, interferon-gamma and Fas ligand genes in endomyocardial biopsies of human cardiac allografts: correlation with acute rejection BJMBR
Shulzhenko,N.; Morgun,A.; Franco,M.; Souza,M.M.; Almeida,D.R.; Diniz,R.V.Z.; Carvalho,A.C.C.; Pacheco-Silva,A.; Gerbase-DeLima,M..
The purpose of the present study was to investigate the expression (mRNA) of CD40 ligand (CD40L), interferon-gamma (IFN-gamma) and Fas ligand (FasL) genes in human cardiac allografts in relation to the occurrence of acute cardiac allograft rejection as well as its possible value in predicting acute rejection. The mRNA levels were determined by a semiquantitative reverse transcriptase-polymerase chain reaction method in 39 samples of endomyocardial biopsies obtained from 10 adult cardiac transplant recipients within the first six months after transplantation. Biopsies with ongoing acute rejection showed significantly higher CD40L, IFN-gamma and FasL mRNA expression than biopsies without rejection. The median values of mRNA expression in biopsies with and...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Rejection; Cardiac allograft; Immunologic monitoring; MRNA; Gene activation; Interferon-gamma.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2001000600013
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Interleukin-10-dependent down-regulation of interferon-gamma response to Leishmania by Mycobacterium leprae antigens during the clinical course of a coinfection BJMBR
Azeredo-Coutinho,R.B.G.; Matos,D.C.S.; Nery,J.A.C.; Valete-Rosalino,C.M.; Mendonça,S.C.F..
We have described a case of a patient with an intriguing association of mucocutaneous leishmaniasis with lepromatous leprosy, two opposite polar forms of these spectral diseases. In the present follow-up study, we investigated the effect of the addition of Mycobacterium leprae antigens on interferon-gamma (IFN-γ) production in Leishmania antigen-stimulated cultures of peripheral blood mononuclear cells (PBMC) from this patient. For this purpose, PBMC cultures were stimulated with crude L. braziliensis and/or M. leprae whole-cell antigen extracts or with concanavalin A. In some experiments, neutralizing anti-human interleukin (IL)-10 antibodies were added to the cultures. IFN-γ and IL-10 levels in culture supernatants were measured by ELISA. During active...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Interferon-gamma; Interleukin-10; Mucocutaneous leishmaniasis; Lepromatous leprosy; Leishmania braziliensis; Mycobacterium leprae.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2012000700010
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Th-1 and Th-2 cytokine production in infants with virus-associated wheezing BJMBR
Pitrez,P.M.C.; Machado,D.C.; Jones,M.H.; Andrade,F.; Camozzato,C.; Stein,R.T..
Wheezing associated with respiratory viral infections in infancy is very common and results in high morbidity worldwide. The Th1/Th2 pattern of immune response in these patients remains unclear and previous studies have shown controversial results. The aim of the present study was to compare the type of Th1/Th2 cytokine response between infants with acute bronchiolitis, recurrent wheezing and upper respiratory infections from a developing country. Infants younger than 2 years of age admitted to Hospital São Lucas, Porto Alegre, RS, Brazil, between May and November 2001, with an acute episode of wheezing associated with viral respiratory infection were selected. Subjects with upper respiratory infections from the emergency department were selected for the...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Acute bronchiolitis; Inflammation; Interferon-gamma; Interleukin-4; Cytokines.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2005000100008
Registros recuperados: 6
Primeira ... 1 ... Última
 

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